The growth of cancerous tumors is fueled, at least in part, by the buildup of free radicals-highly reactive oxygen-containing molecules.

自由基(极具化学反应性的含氧分子)的聚集，至少在某种程度上，使恶性肿瘤的生长如同加了燃料一般。

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Water is a compound containing the elements hydrogen and oxygen.

水是含有氢元素和氧元素的化合物。

《新英汉大辞典》

Water is a compound containing the elements of hydrogen and oxygen.

水是含有氢元素和氧元素的化合物。

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They then have nowhere to put all the light energy they are absorbing, and the resulting breakdown of biochemical pathways creates toxic oxygen-containing molecules known as free radicals.

ECONOMIST: Life��s a bleach, and then you die

The next trick, which Exxon's money will help pay for, is to tweak the biochemical pathway that makes the algal oil (which is known, technically, as a triglyceride, and has oxygen atoms in it as well as carbon and hydrogen) so that the oxygen-containing parts of the molecules are snipped off and a pure hydrocarbon is left.

ECONOMIST: Biofuels from algae: Craig's twist | The